水氣擴散 的英文怎麼說

中文拼音 [shuǐkuòsǎn]
水氣擴散 英文
damp diffusion
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 動詞(擴大) expand; enlarge; extend
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  • 水氣 : brume; steam
  1. Combined heat and mass transfer by natural convection which is caused by heat and mass diffusion can be seen in nature and some processes of industry, such as evaporation and desiccation. these processes relate to aeronautics, hydraulics, mechanics, chemical engineering, oceanography and aerography

    熱及物質引起的傳熱傳質復合自然對流常見于自然界和蒸發、乾燥等工業過程,涉及到航空、利、機械、化工、海洋、象等諸多領域,其流體力學和傳質傳熱特性一直是人們研究的重點。
  2. The water current flows over the top of the dentoid baffle to the hydraulic jump as additional momentum. while it is cooperated with a stilling basin, the flowing condition emerged in the basin may be improved greatly and the length and downstream water depth required by the basin can be decreased to a great extent. such an appliance may be also used to solve the problems of insufficiently dissipating water flow energy and aerating flow, which are often faced with those hydraulic engineering constraction as acted by high waterhead, great specific discharge and low froude number

    本文通過齒墩頂部的舌所形成的附加射流,從上部射入躍,即可改善消力池內的流流態,又可降低第二共軛深,減小躍長度,增進躍消能效果,同時還能解決大單寬、低佛勞德數條件下摻和消能不足的問題,試驗證實它是一種安全、經濟的消能工。
  3. The authors analyzes the function change of urban in its evolvement and the eco - environmental problems caused by this change. based on this analysis and the method of systems ecology founded by odum h t, the authors discuss the aim and the principle of urban eco - environment planning under the sustainable development ; put forward the general view of urban eco - environment planning in which the kernel is the adjusting of industry structure, land - use structure and spatial pattern ; construct the dynamic simulating model of eco - environment planning of guangzhou city, china which organizes the models of economy, population, the equilibrium of carbon and oxygen, and other models of atmospheric diffusion, rainwater sedimentation, vegetation absorbing to so

    在剖析城市演化歷程中的功能變遷與導引的生態環境滯脹類型和危害的基礎上,著重利用系統生態學的原理和方法,探討了可持續發展要求下的城市生態環境規劃的目標原理和研究的內容方法及過程提出了以產業結構土地利用結構和空間格局的調整為核心制定城市生態環境規劃的總體思路創造性地融大沉降和植被吸納so
  4. Finally, some simplification methods to the model were studied and a modified block elimination contraposing the features of the model ' s linear system was developed, which can greatly decrease the model ' s requirement to computer resources. in the second part, numerical methodology of hybrid techniques was developed, which uses dfn models developed in the fist part to build continuum approximations of fractured rock

    第三,本文將一種用離?分界面模擬非飽和滲流的數值模型展到裂隙網路中,為用本文所構建的離裂隙網路模型模擬裂隙巖體成富擁要柳廳錄非飽和滲流提供了一個初步的框架。
  5. A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains

    模式主要依賴于以下參數和物理量:地面反照率下墊面粗糙度土壤的可含量下墊面的熱容量和熱系數雲量等參數。結果表明,本模式能合理地模擬不同地表熱量平衡地表溫混合層高度湍流交換系數湍流動能位溫廓線等,以及它們的日變化。該模式所取參數主要針對北京市,時間為九月初,對于其他城市,參數應作相應的調整。
  6. Topics include : molecular and turbulent diffusion, boundary layers, dissolution, phase partitioning, bed - water exchange, air - water exchange, settling and coagulation, buoyancy - driven flows, and stratification in lakes

    探討課題計有:分子和紊流、邊界分層、溶解、相之間的分割、底床與間的交換作用、空間的交換作用、沉降和混凝、浮力流以及湖泊分層作用。
  7. The analysis model and design methodology for the gas field are discussed referring to related documents. the structure parameters of gas manifold, channel, diffusion layer and hydrophobic layer which affect the oxygen distribution are also studied

    本文闡述了場分析模型和設計思想,研究了進箱、交指型流道、層和疏層結構參數對氧濃度分佈的影響。
  8. The gas field in pemfc means the gas distribution in gas source, gas inlet tube ( scale of m ), gas - blower, gas manifold ( scale of cm ), channel ( scale of mm ), diffusion layer ( scale of um ), hydrophobic layer and catalyst layer ( scale of nm ). the aim of changing the scales is to make oxygen reach reaction area as evenly as possible

    Pemfc的場指在源、進管(分米級) 、風機、進箱(厘米級) 、流道(毫米級) 、層(微米級) 、疏層(亞微米級) 、催化層(納米級)中的體分佈,每一級尺度的變化是為了體的進一步均勻化。
  9. On the basis of the safety system engineering theory. applying the dow fire & explosion index and the normal stability gauss mathematical diffusion model etc., combining with the practice of mouping port, the hazards during the handling and storage of liquid chemicals in bulk have been analyzed and the risks of fire explosion and leakage ( including water pollution and water pollution ) have been assessed. taking into account of insufficient consideration of the human factor in the dow fire & explosion index, the soft compensation coefficient has been raised

    本文以安全系統工程為理論基礎,運用道氏火災爆炸指數法、平均運動方程組以及常穩態高斯數學模型,結合牟平港化運輸、裝卸的實際,對牟平港化儲運的火災爆炸危險性和毒物泄漏危險性(包括污染性和大污染性)進行了定性和定量的分析評價。在評價程序上,針對道氏火災爆炸指數法中對人為因素和管理平等考慮不足的問題,提出了軟補償系數的概念,找出了化碼頭日常監督管理工作的重點。
  10. According to the facts of chemical spill accidents in waterway transport, systematic analysis is made on the suitable dispersion models and source strength calculation models of multiple spilled substance, resource and environment respectively, so as to decide the poison and fire & explosion danger area of an accident through the way of dispersion simulation. to resolve the problem to the calculation of spill amount from tanks, calculation formulas on various types of tanks were worked out ; at the same time, research is carried out on the source strength calculation of mixtures with regard to the possible spillage of chemical mixture in waterway transport. for the sake of convenient application, a computer software for the simulation of dangerous area is developed which can provide great assistance to the decision - making of emergency response and reach the target of reducing the damage of the life, property and environment to the smallest degree

    根據運化學品泄漏事故的具體實際,針對各種泄漏物質、泄漏源和環境條件研究了各自適用的模式和源強計算模型,以便通過模擬確定事故的毒害和火災爆炸危險區域;為解決儲罐泄漏量計算困難的實際問題,推導了適用各型儲罐、液艙的泄漏量計算公式;針對化學品路儲運泄漏事故中泄漏物質可能會以混合物形式存在的情況,探討了混合物的蒸釋放源強計算;為方便實用,開發了蒸危險區域模擬計算機軟體,從而為事故應急決策提供了有力的輔助支持,以達到盡可能減少人員傷亡和財產損失,減輕環境污染的目標。
  11. Systematically investigate the hydrocarbon generation of organic matter ( oil and gas generation from organic matter and oil to gas ), residual hydrocarbon of source rocks ( residual liquid hydrocarbon of rocks, gas adsorption of rocks, gas dissolving in oil and gas dissolving in water ) and gas diffusion etc. take the conditions of tarim as an example, calculate quantity of oil and gas generation, residual liquid hydrocarbon, gas adsorption, gas dissolving in oil, gas dissolving in water, and gas diffusion under different geologic conditions, then according to the principle of material balance, work out oil expelling and gas expelling quantity

    對評價中遇到的有機質生烴(有機質成油、成、油成) 、源巖殘留烴(巖石殘留液態烴、巖石吸附天然、油溶) 、天然等問題進行了較為系統的研究,並以塔里木盆地地質參數為例,計算了不同地質條件下烴源巖的生油量、殘留液態烴量、吸附量、油溶量、量、量,進而根據物質平衡法計算出排油量、排量。
  12. Under the influence of a weak cold air southward from the north china, some parts of shanghai will see scattered showers from this afternoon to tomorrow

    受北方一股弱冷空南下影響,今天下午到明天白天本市將有一次弱降過程,溫有所下降。
  13. In the experiments, two series of catalysts were synthesized by co - deposition and sol - gel methods each. the composition of both waterproof and gas diffusion layer and catalysis layer were optimized by the orthogonal test. meanwhile, quasi - steady cathode polarization curves, x - ray diffraction ( xrd ), scanning electronic microscope ( sem ) were used to analyst the relationship between the microstructure and the performance of air electrode

    實驗採用共沉澱法和溶膠凝膠法合成了兩類催化劑;對防層和催化層進行了正交試驗優化;同時,還採用測準穩態極化曲線, x射線衍射( xrd ) 、掃描電子顯微鏡( sem )等分析測試手段,對空電極催化材料、空電極界面結構與性能的關系等作了較深入的研究。
  14. Methods of test for masonry units - part 19 : determination of moisture expansion of large horizontally perforated clay masonry units

    圬工單元試驗方法.第19部分:大型平打孔的粘土圬工單元潮的測定
  15. The paper expounds on the following aspects. firstly, on the basis of analysis of current techniques for measuring plant water potential and with the dynamic characteristics of vapor diffusion in consideration, the relationship between the transient process of humidity at the position of the sensor and the water potential of the plant sample is studied in depth, and the corresponding testing apparatus for the on - line non - invasive automatic monitoring of plant water potential is designed

    在仔細分析現有植物勢測量技術原理及優缺點和所開發的植物勢測量儀的基礎上,考慮植物的動態特性,研究樣品分無阻尼自然,其上方空的暫態過程與勢的關系,設計了研究植物勢在線無創傷自動監測技術的試驗裝置。
  16. Hygrothermal performance of building equipment and industrial installations - calculation of water vapour diffusion - cold pipe insulation systems

    建築設備和工業設施的溫濕性能.的計算.冷凝管隔熱系統
  17. In this paper, mapinfo profession 6. 0 was applied to build and manage space geographical information ; mapinfo mapx4. 5 was used as a activex control to model and describe the air diffusing area of the spilled gas chemical, by the technology of ole, made used of the integrating environment of visual basic 6. 0, we finished developing research on the air diffusion system of spilled gas chemicals based on gis. the system can dynamically show the diffusion range of spilled gas chemicals on computer screen after inputting necessary parameters. the paper include 7 chapters

    我們是以mapinfoprofession6 . 0作為空間地理信息建立和管理工具, visualbasic6 . 0作為系統用戶界面開發與計算模塊編程工具, access2000作為有關數據庫開發與管理工具, mapinfomapx4 . 5地理信息系統地圖控制項作為計算機模擬顯示控制項,通過ole技術,在vb的集成環境下進行「基於gis的體化學晶泄漏大模擬系統」的開發創建。
  18. In order to rapidly and effectively predicting the air diffusing area of the spilled gas chemical, and giving corresponding emergency decisions, we make a research on the air diffusion system of spilled gas chemicals based on gis. we hope our study can give a little reference for the controlling of shipping chemicals " polluting accidents

    為了能在體化學品泄漏事故發生后,及時、迅速、有效、直觀地對體化學品惡性泄漏事故大過程做出準確的預測並以此為依據制定相應的應急措施,我們著手「基於gis的體化學品泄漏大模擬系統」的開發研究。
  19. Standard test methods for water vapor diffusion resistance and air flow resistance of clothing materials using the dynamic moisture permeation cell

    使用動態透濕單元法測試布質材料耐性和耐流性的標準試驗方法
  20. The 5th chapter is most important part. in this chapter, the developing and building procedures of the air diffusion system of spilled gas chemicals based on gis is introduced in detail, including : the whole design of system, establishing mathematic models library, establishing and managing database, the developing tool, important programming techniques

    基於gis的體化學品泄漏大模擬系統的開發研究將有助於海事局及有關主管部門對泄漏的有毒情況做隨時監控,及時發出預警、迅速做出應急決策,最大限度的減少人命傷亡、財產損失和環境污染。
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